books.google.com - Virtual worlds have exploded out of online game culture and now capture the attention of millions of ordinary people: husbands, wives, fathers, mothers, workers, retirees. Devoting dozens of hours each week to massively multiplayer virtual reality environments (like World of Warcraft and Second Life),...http://books.google.com/books/about/Exodus_to_the_Virtual_World.html?id=iGoROxHt9pkC&q=rewards&utm_source=gb-gplus-shareExodus to the Virtual World